Задание

Choose the correct option

Robert Wood was a famous american professor. Не liked to do different experiments. One day the cook ... a steak for dinner. The professor ... the meat with lithium chloride. It is as ... as ordinary table salt and tastes the same. Then the professor left untouched big ... of meat.
The next morning the students collected a ... of the stew the cook served them for breakfast. They ... it holding a piece of meat by ... in the flame of the burner.The deep red color of lithium colored the flame.